Home / 16,122.60-22,231.22-10,449.90

Finding the Fourth Proportional to 16,122.60, 22,231.22 and 10,449.90

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Solution

The fourth proportional to 16,122.60, 22,231.22 and 10,449.90 is: 14,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.60 : 22,231.22 = 10,449.90 : x
  2. Step 2: Convert to fraction form
    16,122.60/22,231.22 = 10,449.90/x
  3. Step 3: Cross multiply
    16,122.60x = 22,231.22 × 10,449.90
  4. Step 4: Simplify right side
    16,122.60x = 232,314,025.88
  5. Step 5: Solve for x
    x = 232,314,025.88/16,122.60
  6. Step 6: Final answer
    x = 14,409.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.